Microphone



FIG. 1 is a perspective view of a microphone;

FIG. 2 is a front elevational view of the microphone;

FIG. 3 is a top plan view of the microphone; and,

FIG. 4 is a bottom plan view of the microphone.

The broken lines shown in FIGS. 1-4 illustrate portions of the microphone that form no part of the claimed design. 

CLAIM We claim the ornamental design for a microphone, as shown and described. 